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VIII.Replacing Batteries
Warning! In case that the battery’s cover
board is not well closed, it is forbidden to
make test. Otherwise, it is dangerous.
Pay attention to the polarity of battery, in case
of damage to the meter.
Do not mix in the use of new and old batteries.
The battery is not enough. Please replace the
battery in time.
1. When the battery voltage is below 7.2V±0.1V, the meter
will display
“ ” symbol, the power indicator flashing.
Indicates that the battery is low, Please replace batteries.
2. Power off, to make sure the meter is under the state of
power off. To loosen two screws of the battery cover board,
open the cover board to replace brand-new qualified
batteries on. It should pay special attention on the battery
specification and polarity, cover the board well and fasten